Activation of platinum containing reforming catalysts

Details Activation of platinum containing reforming catalysts Activation of platinum containing reforming catalysts

1984-03-12

1985-09-03

Gantz, D. E.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Sulfur or compound containing same

502230, 208138, 208139, B01J 2702, C10G 3506

Patent

active

045393079

ABSTRACT:
A metal catalyst preferably comprised of a platinum/rhenium metal combination, supported on alumina is activated for the reforming of hydrocarbon feedstock, by being contacted with an oxygen-containing gas at a temperature sufficient to oxidize the metal catalyst and then being reduced sequentially by contacting the catalyst with a stream of hydrogen at about 650.degree. to about 750.degree. F. for a first period of time and then at about 900.degree. to about 1000.degree. F. for a second period of time, followed by sulfiding of the sequentially reduced catalyst. The sequential reduction procedure increases the selectivity of the reforming catalyst and results in increased C.sub.5.sup.+ liquid product yields.

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